Oki OKIPAGE 6e, Maintenance Manual

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(3) DRAM
OKIPAGE 6e/6ex
The DRAM is a resident memory (OKIPAGE 6e: 1MB(L5C) or 2MB(L5D)/OKIPAGE 6ex:
2MB) used as a buffer, and it stores edited data, image data, DLL data and macro data.
OKIPAGE 6ex with PS Board
The DRAM is a resident memory (2MB on the OKIPAGE 6ex main board plus 0.5MB on the
PS board) used as a buffer, and it stores edited data, image data, DLL data and macro data.
In the Post Script emulation, it is used as VM and font cache also.
(4) EEPROM
1,024 bit-Electrically Erasable PROM (EEPROM), is loaded with the following kinds of data:
• Menu data
• Various counter data (Page counter, Drum counter)
• Adjusting parameters (LED head drive time, print start position, paper feed length)
(5) Parallel Interface
Parallel data is received from the host system via parallel interface which conforms to the
Centronics specification. IEEE 1284 Bi-directional parallel is supported.